About the Number

201189380

201189379 ← → 201189381

2進数表記:1011111111011110100000000100

漢数字表記:二億百十八万九千三百八十

素因数分解:

2 2 × 5 1 × 7 1 × 31 1 × 151 1 × 307 1

素因数の和:505
約数の個数: 96
約数和(自身を含む): 503365632
約数和(自身を除く): 302176252

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 151, 155, 217, 302, 307, 310, 434, 604, 614, 620, 755, 868, 1057, 1085, 1228, 1510, 1535, 2114, 2149, 2170, 3020, 3070, 4228, 4298, 4340, 4681, 5285, 6140, 8596, 9362, 9517, 10570, 10745, 18724, 19034, 21140, 21490, 23405, 32767, 38068, 42980, 46357, 46810, 47585, 65534, 66619, 92714, 93620, 95170, 131068, 133238, 163835, 185428, 190340, 231785, 266476, 324499, 327670, 333095, 463570, 648998, 655340, 666190, 927140, 1297996, 1332380, 1437067, 1622495, 2874134, 3244990, 5748268, 6489980, 7185335, 10059469, 14370670, 20118938, 28741340, 40237876, 50297345, 100594690, 201189380]

約数ペア:
[(1, 201189380), (2, 100594690), (4, 50297345), (5, 40237876), (7, 28741340), (10, 20118938), (14, 14370670), (20, 10059469), (28, 7185335), (31, 6489980), (35, 5748268), (62, 3244990), (70, 2874134), (124, 1622495), (140, 1437067), (151, 1332380), (155, 1297996), (217, 927140), (302, 666190), (307, 655340), (310, 648998), (434, 463570), (604, 333095), (614, 327670), (620, 324499), (755, 266476), (868, 231785), (1057, 190340), (1085, 185428), (1228, 163835), (1510, 133238), (1535, 131068), (2114, 95170), (2149, 93620), (2170, 92714), (3020, 66619), (3070, 65534), (4228, 47585), (4298, 46810), (4340, 46357), (4681, 42980), (5285, 38068), (6140, 32767), (8596, 23405), (9362, 21490), (9517, 21140), (10570, 19034), (10745, 18724)]

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